public void ClearEntryTest()
{
calculator.Number("6");
calculator.Number("2");
calculator.Number("1");
calculator.Operation("+");
calculator.Number("9");
calculator.Number("6");
calculator.Operation("-");
calculator.Number("1");
calculator.Number("1");
Assert.AreEqual("11", calculator.Input);
Assert.AreEqual("621 + 96 -", calculator.WholeInput);
calculator.ClearEntry();
Assert.AreEqual("0", calculator.Input);
Assert.AreEqual("621 + 96 -", calculator.WholeInput);
}
/// <summary>
/// Processes CE's click
/// </summary>
private void CE_Click(object sender, EventArgs e)
{
calculator.ClearEntry();
}